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HClO is a weak acid (Ka = 4

Chemistry

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HClO is a weak acid (Ka = 4.0 × 10–8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.059 M in NaClO at 25 °C?

Na is a spectator ion in this situation. Start by finding the Kb of ClO–.